If you want to use your duvet cover without the insert, lay it on your bed like a flat sheet and use it as a cover. This can also help prolong the life of your duvet when it’s not in regular rotation. The duvet cover is perfect for this scenario.
No one understands why we have fingerprints.
Most scientists believe that the purpose of fingerprints is to help us better grip objects. However, it was later discovered that this was not the case at all. More today, fingerprints can identify a person because no two prints are alike.